n: 30 m: 238 packed: 10 density: 0 nodes: 0 solveTime: 2980 buildTime: 40 solved: true {0,4,25} {1,5,17} {2,23,29} {3,24,28} {6,7,22} {8,10,19} {9,12,20} {11,13,14} {15,16,18} {21,26,27}